Delta 18-900L Use and Care Manual download pdf (Page 18)

CHANGING SPEEDS AND ADJUSTING BELT

TENSION

To reduce the risk of injury, turn unit off

and disconnect it from power source before installing

and removing accessories, before adjusting or when

making repairs. Anaccidentalstart-upcancauseinjury.

NOTE: Sixteenspindlespeedsareavailableonthedrill

press.A belt-positioning speed chart is located on the

inside top cover of the drill press.

1. Liftcover(H1)Fig.39.

2. Move belt tension lever handle(I1)Fig.39upandto

therightandengagethehook(J1)Fig.39(inset)to

hold the tensioner arm in place.

3. Choose the appropriate speed for the tool you

are using and position the belts on the pulleys

accordingly.Seechart(Fig.38)ontheinsidecover

of the drill press head.

4. NOTE: The belts are ribbed with grooves, so make

sure the belt grooves match up with the pulley

grooves.

5. Lifthandleandmovetoleft(asshowninFig.40)until

thebelttensionerarm(K1)restsagainstthebelts.

NOTE: Don'tforcethehandleanyfurthertotheleft.Itis

set with the proper tension for the belts.

NOTE:Fig.41showstheproperseatingforthetopbelt,

with the small bit of metal showing above the black belt.

Fig.42showsimproperseatingforthetopbeltwithno

metal showing above the black belt.

DRILLING HOLES TO DEPTH

To reduce the risk of injury, turn unit off

and disconnect it from power source before installing

and removing accessories, before adjusting or when

making repairs. Anaccidentalstart-upcancauseinjury.

Whenyouwanttodrill anumberof holestothesame

depth, follow this procedure:

Setting zero

1. Placebit(L1)inchuckFig.43.

2. Lowerthebituntilittouchesworkpiece(M1)Fig.43.

3. Raise the quill locking nut (N1) bypressing button

andraisingitupagainstthedepthstopbracket(O1).

4. Turn scale on the pinion (P1) Fig. 44 to the zero

mark.

Set depth

1. Removetheworkpieceandrotatepinionhandlesto

lower quill to desired drilling depth as registered on

the scale.

2. Holding the quill at this depth, raise the quill locking

nut (N1) Fig. 43 back up against the depth stop

bracket.

3. Still holding the spindle, lower the depth stop nut

(Q1)Fig.43downagainstdepthstopbracket.

4. Lowerthequilllockingnut(N1)Fig.43outoftheway.

To reduce the risk of injury, tighten all

lock handles before starting the machine. Loss of control

of the workpiece can cause serious injury.

Fig. 40

Fig. 39

Fig. 42

Fig. 41

CORRECT

INCORRECT

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Delta 18-900L Use and Care Manual Page 18

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